Granted Patent
Utility
US 6,031,629 · App. 09/003,597
Picture quality stabilizer for a color laser printer
Inventors:
Takeshi Shibuya, Tatsunari Satou, Taisaku Seino
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Jan 7, 1998
Inventors
Takeshi Shibuya
Tatsunari Satou
Taisaku Seino
Assignee (at issue)
HITACHI, LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.